If the crank is given ^ of a turn 59 times, it makes 39i turns, or | of a turn less than the 40 turns required for one revolution of the work. Hence the index plate must move in the same direction as the crank | of a revolution while the work revolves... Machine-shop Mathematics - Page 71 by George Wentworth, David Eugene Smith, Herbert Druery Harper - 1922 - 162 pages Full view -
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